505808

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{313}}^1$

素因数の和:422

約数の個数: 20

約数和(自身を含む): 992868

約数和(自身を除く): 487060

約数列:

[1, 2, 4, 8, 16, 101, 202, 313, 404, 626, 808, 1252, 1616, 2504, 5008, 31613, 63226, 126452, 252904, 505808]

約数ペア:

[(1, 505808), (2, 252904), (4, 126452), (8, 63226), (16, 31613), (101, 5008), (202, 2504), (313, 1616), (404, 1252), (626, 808)]